C8
57 mm
81 mm
What Size Is C8 Paper?
C8, part of the C Series under the C Envelope Paper Sizes group, measures 57 x 81 mm, which is 5.7 x 8.1 cm or approximately 2.24 x 3.19 inches. It follows the ISO 269 specification and has an area of approximately 46.2 cm².
C8 Paper Size Dimensions & Conversions
Paper Series
C Series
Standard
ISO 269
Width
57 mm
Height
81 mm
Area
46.2 cm²
Aspect Ratio
1:1.421
Previous Size
C7
Next Size
C9
C8 Dimensions in Different Units
| Unit | Width | Height |
|---|---|---|
| Millimeters | 57 mm | 81 mm |
| Centimeters | 5.7 cm | 8.1 cm |
| Inches | 2.24 in | 3.19 in |
| Feet | 0.19 ft | 0.27 ft |
| Meters | 0.057 m | 0.081 m |
| Points | 162 pt | 230 pt |
| Picas | 13.5 pc | 19.1 pc |
What Is C8 Paper Used For?
Mailing Documents
This C-series envelope size is designed to hold its matching A-series paper size without folding.
Design and Layout
Designers and print professionals use C8 when a layout calls for this specific format.
Reproduction and Scaling
C8 can be scaled up or down to produce related sizes in the same series.
Presentations and Displays
C8 is suitable for boards, handouts, or displays sized to this format.
Archiving and Filing
Printed materials in C8 are stored and filed using standard folders sized for this format.
Digital Reference
C8 dimensions are used as a page-size preset in design and publishing software.
Related C Series Sizes
Frequently Asked Questions
What is C8 size in inches?
C8 measures approximately 2.24 x 3.19 inches.
What is C8 size in centimeters?
C8 measures 5.7 x 8.1 cm.
What is C8 size in millimeters?
C8 measures 57 x 81 mm.
What is C8 size in pixels?
At 300 DPI, C8 is approximately 672 x 957 pixels.
Is C8 bigger than C9?
Yes. C8 is larger in area than C9 in the C Envelope Paper Sizes series.